August weather forecast
Rethimno, Greece

August, the last month of the summer in Rethimno, is another warm month, with an average temperature varying between 29°C (84.2°F) and 21°C (69.8°F).
The ideal sea water temperature of 25.9°C (78.6°F) and 1mm (0.04") of accumulated rainfall makes August the best time for swimming and other water activities.

Temperature

The transition into August reveals an average high-temperature of a moderately hot 29°C (84.2°F), mirroring a close resemblance to July. Nighttime temperatures in Rethimno hover around an average low of 21°C (69.8°F) in August.

Rainfall

The months with the least rainfall are July and August with 1mm (0.04") of accumulated rain.

Sea temperature

The month with the warmest seawater in Rethimno, Greece, is August, with an average sea temperature of 25.9°C (78.6°F).
Note: With water temperature from 25°C (77°F) to 29°C (84.2°F), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.

Daylight

In August, the average length of the day in Rethimno is 13h and 28min.
On the first day of August, sunrise is at 06:31 and sunset at 20:25. On the last day of the month, sunrise is at 06:54 and sunset at 19:50 EEST.

Sunshine

June through August, with an average of 12h of sunshine, are months with the most sunshine.

UV index

In August, the average daily maximum UV index is 9. A UV Index of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 9 in August interprets into the following recommendations:
Never be careless. Unprotected skin and eyes can be harmed swiftly. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Even when it's cloudy, ensure the generous application and frequent reapplication of a sunscreen with at least 30 SPF, particularly post swim or outdoor activity. Warning! Sand and water reflections boost the intensity of UV exposure.